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Uncommanded Yaw Movement rc2

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@wicked1 wrote:

I was testing rc2 today.
Autotune completed, and it never did with rc1. But, it oscillates badly w/ the auto-tune.. I'll try again before I post logs about that..

But, the reason I'm writing.. I had one of those uncommanded yaw movements.. A really big one.. It just kept trying to spin.
I powered off the copter and powered it back on, and it still did it.. Then I turned it off and did something else for a while. And when I tried it again 1/2 hour later it was fine.
I noticed in my mission planner logs, the velocity EKF went red at the time it was doing the yaw thing. But, I don't know why.
I'd appreciate any help in figuring this out..

If others aren't seeing the same thing, I"m wondering if I have a bad pixracer.. I've had SOOO many problems w/ it since I got it in Jan.. I've built 4 copters, and 3 act the same.. this one w/ the pixracer is very different..

Anyway.. On to the main topic, here's a chart and a log

2016-08-12 14-43-13.bin (679.1 KB)

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